What is extended DHCP?
In extended DHCP, the address-assignment pools are external to the DHCP local server. In addition to the subnet mask, the server provides the following values to the client if the information is configured in the selected address-assignment pool: router —A router located on the client’s subnet.
What is Option 4 DHCP?
DHCP option 4: list of time server as stated in the RFC868 (Time Protocol) DHCP option 12: host name of the client, very useful for IoT and any device without user. DHCP option 15: specifies the domain name that client should use as suffix when resolving hostnames via the Domain Name System.
Can you have 2 DHCP servers on a network?
On the same subnet, you absolutely cannot run two DHCP servers that assign addresses from the same range. However, on the same subnet, you can have two DHCP servers that assign addresses from different ranges. You can run two DHCP servers on the subnet and let one distribute addresses .
What is the purpose of setting DHCP options?
The Dynamic Host Configuration Protocol (DHCP) provides a standard for passing configuration information to hosts on a TCP/IP network. The options field of a DHCP message contains configuration parameters, including the domain name, domain name server, and the netbios-node-type.
What are DHCP options and how to configure them?
Supplying DHCP options is a smart way to configure network clients during the early phase of network access deployment. In addition to providing the IP address, the DHCP protocol is able to set a large bunch of options that are very useful for device configuration.
Are there any DHCPv4 and DHCPv6 Options?
Of course, there will be some DHCPv4, DHCPv6, and internal DHCP options that are not listed at all. This is because this document aims to act as a guide for the most commonly-used options only. For further information on other DHCP options, refer to the IETF website.
What is dhdhcp option 81?
DHCP option 81: Client Fully Qualified Domain Name – this option allows to perform automatic update of the DNS records associated to the client, mainly the A and PTR. In the option we can specify whether the client or the server will update the records and the FQDN associated to the client. It is defined in the RFC4702
How is bobootp different from DHCP?
BOOTP, which brings additional option configuration to the historical RARP protocol (see RFC903) which provides only IP address, has itself evolved in the DHCP protocol. With pool management and device mobility DHCP is also able to handle a wide list of options to configure a lot of various devices.
